Data for: Aharonov-Bohm and Altshuler-Aronov-Spivak oscillations in the quasi-ballistic regime in phase-pure GaAs/InAs core/shell nanowires (ICPSR doi:10.26165/JUELICH-DATA/D94JMC)

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Data for: Aharonov-Bohm and Altshuler-Aronov-Spivak oscillations in the quasi-ballistic regime in phase-pure GaAs/InAs core/shell nanowires

doi:10.26165/JUELICH-DATA/D94JMC

Jülich DATA

2025-06-16

1

Basarić, Farah; Brajović, Vladan; Behner, Gerrit; Moors, Kristof; Schaarman, Willian; Manolescu, Andrei; Juluri, Raghavendra; Sanchez, Ana M.; Bae, Jin Hee; Lüth Hans; Grützmacher Detlev; Pawlis, Alexander; Schäpers, Thomas, 2025, "Data for: Aharonov-Bohm and Altshuler-Aronov-Spivak oscillations in the quasi-ballistic regime in phase-pure GaAs/InAs core/shell nanowires", https://doi.org/10.26165/JUELICH-DATA/D94JMC, Jülich DATA, V1

Data for: Aharonov-Bohm and Altshuler-Aronov-Spivak oscillations in the quasi-ballistic regime in phase-pure GaAs/InAs core/shell nanowires

doi:10.26165/JUELICH-DATA/D94JMC

Basarić, Farah (Peter Grünberg Institute 9)

Brajović, Vladan (Peter Grünberg Institute 9)

Behner, Gerrit (Peter Grünberg Institute 9)

Moors, Kristof (Peter Grünberg Institute 9)

Schaarman, Willian (Peter Grünberg Institute 9)

Manolescu, Andrei (Department of Engineering, Reykjavik University)

Juluri, Raghavendra (Department of Physics, University of Warwick)

Sanchez, Ana M. (Department of Physics, University of Warwick)

Bae, Jin Hee (Peter Grünberg Institute 9)

Lüth Hans (Peter Grünberg Institute 9)

Grützmacher Detlev (Peter Grünberg Institute 9)

Pawlis, Alexander (Peter Grünberg Institute 10)

Schäpers, Thomas (Peter Grünberg Institute 9)

Jülich DATA

Schäpers, Thomas

Schäpers, Thomas

2025-06-16

Physics, nanowire, Aharonov-Bohm effect, magnetotransport

Data sets used for the figures in the manuscript Abstract: The realization of various qubit systems based on high-quality hybrid superconducting quantum devices, is often achieved using semiconductor nanowires. For such hybrid devices, a good coupling between the superconductor and the conducting states in the semiconductor wire is crucial. GaAs/InAs core/shell nanowires with an insulating core, and a conductive InAs shell fulfill this requirement, since the electronic states are strongly confined near the surface. However, maintaining a good crystal quality in the conducting shell is a challenge for this type of nanowire. In this work, we present phase-pure zincblende GaAs/InAs core/shell nanowires and analyze their low-temperature magnetotransport properties. We observe pronounced magnetic flux quantum periodic oscillations, which can be attributed to a combination of Aharonov--Bohm and Altshuler--Aronov--Spivak oscillations. From the gate and temperature dependence of the conductance oscillations, as well as from supporting theoretical transport calculations, we conclude that the conducting states in the shell are in the quasi-ballistic transport regime, with few scattering centers, but nevertheless leading to an Altshuler-Aronov-Spivak correction that dominates at small magnetic field strengths. Our results demonstrate that phase-pure zincblende GaAs/InAs core/shell nanowires represent a very promising alternative semiconductor nanowire-based platform for hybrid quantum devices.

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